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These are the health effects of tear gas

Tear gas can kill, but exposure can also cause chronic respiratory difficulty and severe eye injuries for months and potentially years after

The Ever Given and the physics of big ships clogged the Suez Canal

Wider and wider container ships carry more cargo but are extremely difficult to steer in tight spaces like a canal

A man wearing a facemask to protect himself from viruses or bacteria, like coronavirus.

Rapid analysis shows that the 2019-nCoV coronavirus resembles viruses from bats

Another publication suggests that this coronavirus enters cells in a similar manner to SARS

Children participate in a gas mask practice in the 1940s, Hallow Village Green

muffinn via Flickr